On Sat, Nov 02, 2024 at 11:36:16AM +0800, Huacai Chen wrote:
Commit eb3710efffce1dcff83761db4615f91d93aabfcb ("LoongArch: Add support to clone a time namespace") backports the TIMENS support for LoongArch (corresponding upstream commit aa5e65dc0818bbf676bf06927368ec46867778fd) but causes build errors:
CC arch/loongarch/kernel/vdso.o arch/loongarch/kernel/vdso.c: In function ‘vvar_fault’: arch/loongarch/kernel/vdso.c:54:36: error: implicit declaration of function ‘find_timens_vvar_page’ [-Werror=implicit-function-declaration] 54 | struct page *timens_page = find_timens_vvar_page(vma); | ^~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/vdso.c:54:36: warning: initialization of ‘struct page *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion] arch/loongarch/kernel/vdso.c: In function ‘vdso_join_timens’: arch/loongarch/kernel/vdso.c:143:25: error: implicit declaration of function ‘zap_vma_pages’; did you mean ‘zap_vma_ptes’? [-Werror=implicit-function-declaration] 143 | zap_vma_pages(vma); | ^~~~~~~~~~~~~ | zap_vma_ptes cc1: some warnings being treated as errors
Because in 6.1.y we should define find_timens_vvar_page() by ourselves and use zap_page_range() instead of zap_vma_pages(), so fix it.
Signed-off-by: Huacai Chen chenhuacai@loongson.cn
arch/loongarch/kernel/vdso.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-)
Now queued up, thanks!
greg k-h